.margin-t-10{margin-top:10px;}
.margin-t-20{margin-top:20px;}
.margin-l-10{margin-left:10px;}
.margin-l-20{margin-left:20px;}
.margin-r-10{margin-right:10px;}
.margin-r-20{margin-right:10px;}
.margin-20{margin:20px;}
.padding-20{padding: 20px;}
